MC-PSRX04 51404174-275 | Honeywell Redundant Power Supply Module

Product Description

The MC-PSRX04 (51404174-275) is a mission-critical power management module within the Honeywell PM I/O power supply family. Engineered to ensure continuous operation in demanding distributed control systems (DCS), this unit provides a stable 24VDC output with full redundancy capabilities. By supporting a wide universal AC input range, the MC-PSRX04 is versatile enough for global deployment, while its high efficiency rating minimizes thermal dissipation within the enclosure. The module is specifically built to withstand the rigors of heavy industrial environments, maintaining a consistent 16A output across a broad temperature spectrum to safeguard system integrity.

Technical Specifications

• Model Identification: MC-PSRX04

• Ordering Number: 51404174-275

• Functional Category: Redundant I/O Power Supply

• Input Voltage Range: 85 to 264 VAC (Universal Input)

• Regulated Output Voltage: 24 VDC

• Output Current Capacity: 16 Amps

• Operational Efficiency: 90% (Typical)

• Extreme Operating Temperature: -40°C to +70°C

• Storage Temperature Limit: -40°C to +85°C

• Physical Mass: 0.5 kg

• Module Dimensions: 100 mm x 100 mm x 50 mm

• Mounting Integration: Designed for PM I/O Rack architectures

Power Reliability and Performance

The MC-PSRX04 (51404174-275) is a cornerstone for facilities requiring zero-downtime performance, such as oil refineries, pharmaceutical plants, and water treatment stations. Its redundant architecture allows it to work in parallel with a secondary module, ensuring that if one supply fails, the system load is transferred instantaneously without affecting the I/O processor or field devices. The compact 100mm footprint allows for high-density installation in power cabinets while the robust 90% efficiency ensures that energy is utilized effectively, reducing the overall cooling demand of the control room.

Frequently Asked Questions

• Can this module be used in non-redundant configurations?

  Yes, the MC-PSRX04 can operate as a standalone power supply. However, it is optimized for dual-supply setups to provide the high-availability benefits inherent to the Experion PKS and PM I/O platform.

• Is there any specific derating for high-temperature use?

  The module is rated up to +70°C, but for long-term component longevity in extreme heat, it is recommended to ensure adequate ventilation or spacing within the rack.